US Bridges

CR 750N over Little Blue River

FairPosted for load

Rush County, Indiana · 00.20 E of CR 50 W · Structure no. 7000032

Built
1935
90 years old, rebuilt 1969
Condition
Fair
inspected May 2023
Type
Channel Beam
Concrete
Length
32 ft
1 main span
Daily traffic
400
2019 count
Owner
County
County Highway Agency

About this bridge

CR 750N over Little Blue River is a concrete channel beam carrying CR 750N over Little Blue River in Rush County, Indiana. It was built in 1935 and reconstructed in 1969, so it is 90 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 400 vehicles a day, roughly 5% of them trucks, projected to reach 500 by 2039. The structure is 32 ft (9.7 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 750N
CrossesLittle Blue River
Location00.20 E of CR 50 W
RouteCounty Highway 202
StateIndiana
Coordinates39.72167, -85.45187
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.9 US tons
Inventory rating34 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length32 ft (9.7 m)
Longest span31 ft (9.4 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2019)
Projected traffic500 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 750N over Little Blue River built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1969.

What condition is CR 750N over Little Blue River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does CR 750N over Little Blue River carry?

About 400 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is CR 750N over Little Blue River?

The structure is 32 ft (9.7 m) long with a longest span of 31 ft (9.4 m) and a deck 23 ft wide.

Who owns CR 750N over Little Blue River?

It is owned by the County Highway Agency.